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Compiler-Tests.st 19 KB

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  1. Smalltalk createPackage: 'Compiler-Tests'!
  2. TestCase subclass: #ASTParsingTest
  3. instanceVariableNames: ''
  4. package: 'Compiler-Tests'!
  5. !ASTParsingTest methodsFor: 'convenience'!
  6. analyze: aNode forClass: aClass
  7. (SemanticAnalyzer on: aClass) visit: aNode.
  8. ^ aNode
  9. ! !
  10. !ASTParsingTest methodsFor: 'parsing'!
  11. parse: aString
  12. ^ Smalltalk parse: aString
  13. !
  14. parse: aString forClass: aClass
  15. ^ self analyze: (self parse: aString) forClass: aClass
  16. ! !
  17. ASTParsingTest subclass: #ASTPCNodeVisitorTest
  18. instanceVariableNames: ''
  19. package: 'Compiler-Tests'!
  20. !ASTPCNodeVisitorTest methodsFor: 'factory'!
  21. astPCNodeVisitor
  22. ^ ASTPCNodeVisitor new
  23. context: (AIContext new
  24. yourself);
  25. yourself
  26. !
  27. astPCNodeVisitorForSelector: aString
  28. ^ ASTPCNodeVisitor new
  29. selector: aString;
  30. context: (AIContext new
  31. yourself);
  32. yourself
  33. ! !
  34. !ASTPCNodeVisitorTest methodsFor: 'tests'!
  35. testJSStatementNode
  36. | ast visitor |
  37. ast := self parse: 'foo <consolee.log(1)>' forClass: Object.
  38. self assert: (self astPCNodeVisitor
  39. visit: ast;
  40. currentNode) isJSStatementNode
  41. !
  42. testMessageSend
  43. | ast |
  44. ast := self parse: 'foo self asString yourself. ^ self asBoolean' forClass: Object.
  45. self assert: ((self astPCNodeVisitorForSelector: 'yourself')
  46. visit: ast;
  47. currentNode) selector equals: 'yourself'
  48. !
  49. testMessageSendWithBlocks
  50. | ast |
  51. ast := self parse: 'foo true ifTrue: [ [ self asString yourself ] value. ]. ^ self asBoolean' forClass: Object.
  52. self assert: ((self astPCNodeVisitorForSelector: 'yourself')
  53. visit: ast;
  54. currentNode) selector equals: 'yourself'
  55. !
  56. testMessageSendWithInlining
  57. | ast |
  58. ast := self parse: 'foo true ifTrue: [ self asString yourself ]. ^ self asBoolean' forClass: Object.
  59. self assert: ((self astPCNodeVisitorForSelector: 'yourself')
  60. visit: ast;
  61. currentNode) selector equals: 'yourself'.
  62. ast := self parse: 'foo true ifTrue: [ self asString yourself ]. ^ self asBoolean' forClass: Object.
  63. self assert: ((self astPCNodeVisitorForSelector: 'asBoolean')
  64. visit: ast;
  65. currentNode) selector equals: 'asBoolean'
  66. !
  67. testNoMessageSend
  68. | ast |
  69. ast := self parse: 'foo ^ self' forClass: Object.
  70. self assert: (self astPCNodeVisitor
  71. visit: ast;
  72. currentNode) isNil
  73. !
  74. testPC
  75. | ast visitor |
  76. ast := self parse: 'foo <console.log(1)>' forClass: Object.
  77. self assert: (self astPCNodeVisitor
  78. visit: ast;
  79. currentNode) isJSStatementNode
  80. ! !
  81. ASTParsingTest subclass: #ASTPositionTest
  82. instanceVariableNames: ''
  83. package: 'Compiler-Tests'!
  84. !ASTPositionTest methodsFor: 'tests'!
  85. testNodeAtPosition
  86. | node |
  87. node := self parse: 'yourself
  88. ^ self'.
  89. self assert: (node navigationNodeAt: 2@4 ifAbsent: [ nil ]) source equals: 'self'.
  90. node := self parse: 'foo
  91. true ifTrue: [ 1 ]'.
  92. self assert: (node navigationNodeAt: 2@7 ifAbsent: [ nil ]) selector equals: 'ifTrue:'.
  93. node := self parse: 'foo
  94. self foo; bar; baz'.
  95. self assert: (node navigationNodeAt: 2@8 ifAbsent: [ nil ]) selector equals: 'foo'
  96. ! !
  97. ASTParsingTest subclass: #CodeGeneratorTest
  98. instanceVariableNames: 'receiver'
  99. package: 'Compiler-Tests'!
  100. !CodeGeneratorTest methodsFor: 'accessing'!
  101. codeGeneratorClass
  102. ^ CodeGenerator
  103. ! !
  104. !CodeGeneratorTest methodsFor: 'factory'!
  105. compiler
  106. ^ Compiler new
  107. codeGeneratorClass: self codeGeneratorClass;
  108. yourself
  109. ! !
  110. !CodeGeneratorTest methodsFor: 'initialization'!
  111. setUp
  112. receiver := DoIt new
  113. !
  114. tearDown
  115. "receiver := nil"
  116. ! !
  117. !CodeGeneratorTest methodsFor: 'testing'!
  118. should: aString receiver: anObject raise: anErrorClass
  119. | method result |
  120. receiver := anObject.
  121. [ self should: [
  122. method := self compiler install: aString forClass: anObject class protocol: 'tests'.
  123. receiver perform: method selector ] raise: anErrorClass ]
  124. ensure: [ method ifNotNil: [ anObject class removeCompiledMethod: method ] ]
  125. !
  126. should: aString receiver: anObject return: aResult
  127. | method result |
  128. receiver := anObject.
  129. method := self compiler install: aString forClass: anObject class protocol: 'tests'.
  130. result := receiver perform: method selector.
  131. anObject class removeCompiledMethod: method.
  132. self assert: aResult equals: result
  133. !
  134. should: aString return: anObject
  135. ^ self
  136. should: aString
  137. receiver: receiver
  138. return: anObject
  139. ! !
  140. !CodeGeneratorTest methodsFor: 'tests'!
  141. testAssignment
  142. self should: 'foo | a | a := true ifTrue: [ 1 ]. ^ a' return: 1.
  143. self should: 'foo | a | a := false ifTrue: [ 1 ]. ^ a' return: nil.
  144. self should: 'foo | a | ^ a := true ifTrue: [ 1 ]' return: 1
  145. !
  146. testBackslashSelectors
  147. self should: '\ arg ^ 4' return: 4.
  148. self should: '\\ arg ^ 42' return: 42
  149. !
  150. testBlockReturn
  151. self should: 'foo ^ #(1 2 3) collect: [ :each | true ifTrue: [ each + 1 ] ]' return: #(2 3 4).
  152. self should: 'foo ^ #(1 2 3) collect: [ :each | false ifFalse: [ each + 1 ] ]' return: #(2 3 4).
  153. self should: 'foo ^ #(1 2 3) collect: [ :each | each odd ifTrue: [ each + 1 ] ifFalse: [ each - 1 ] ]' return: #(2 1 4).
  154. !
  155. testCascades
  156. self should: 'foo ^ Array new add: 3; add: 4; yourself' return: #(3 4)
  157. !
  158. testCascadesInDynamicArray
  159. self should: 'foo | x | x := 1. ^ {x. [x:=2] value; in: [x]}' return: #(1 2)
  160. !
  161. testCascadesInDynamicDictioary
  162. self should: 'foo | x | x := 1. ^ #{''one'' -> x. ''two'' -> ([x:=2] value; in: [x])}' return: #{'one' -> 1. 'two' -> 2}
  163. !
  164. testCascadesInSend
  165. self should: 'foo | x | x := 1. ^ Array with: x with: ([x:=2] value; in: [x])' return: #(1 2)
  166. !
  167. testCascadesWithInlining
  168. self should: 'foo ^ true class; ifTrue: [ 1 ] ifFalse: [ 2 ]' return: 1.
  169. self should: 'foo ^ false class; ifTrue: [ 1 ] ifFalse: [ 2 ]' return: 2
  170. !
  171. testDynamicArrayElementsOrdered
  172. self should: 'foo
  173. | x |
  174. x := 1.
  175. ^ { x. x := 2 }
  176. ' return: #(1 2).
  177. self should: 'foo
  178. | x |
  179. x := 1.
  180. ^ { x. true ifTrue: [ x := 2 ] }
  181. ' return: #(1 2).
  182. !
  183. testDynamicDictionaryElementsOrdered
  184. self should: 'foo
  185. | x |
  186. x := ''foo''.
  187. ^ #{ x->1. ''bar''->(true ifTrue: [ 2 ]) }
  188. ' return: #{'foo'->1. 'bar'->2}.
  189. !
  190. testDynamicDictionaryWithMoreArrows
  191. self should: 'foo ^ #{1->2->3}' return: (HashedCollection with: 1->2->3)
  192. !
  193. testGlobalVar
  194. self should: 'foo ^ eval class' return: BlockClosure.
  195. self should: 'foo ^ Math cos: 0' return: 1.
  196. self should: 'foo ^ NonExistingVar' return: nil
  197. !
  198. testInnerTemporalDependentElementsOrdered
  199. self should: 'foo
  200. | x |
  201. x := Array.
  202. ^ x with: ''foo''->x with: ''bar''->(x := 2)
  203. ' return: {'foo'->Array. 'bar'->2}.
  204. self should: 'foo
  205. | x |
  206. x := Array.
  207. ^ x with: ''foo''->x with: ''bar''->(true ifTrue: [ x := 2 ])
  208. ' return: {'foo'->Array. 'bar'->2}.
  209. self should: 'foo
  210. | x |
  211. x := 1.
  212. ^ Array with: ''foo''->x with: ''bar''->(true ifTrue: [ x := 2 ])
  213. ' return: {'foo'->1. 'bar'->2}.
  214. self should: 'foo
  215. | x |
  216. x := 1.
  217. ^ { ''foo''->x. ''bar''->(true ifTrue: [ x := 2 ]) }
  218. ' return: {'foo'->1. 'bar'->2}.
  219. self should: 'foo
  220. | x |
  221. x := 1.
  222. ^ #{ ''foo''->x. ''bar''->(true ifTrue: [ x := 2 ]) }
  223. ' return: #{'foo'->1. 'bar'->2}.
  224. !
  225. testJSStatement
  226. self should: 'foo <return 2+3>' return: 5
  227. !
  228. testLexicalScope
  229. self should: 'foo | a | a := 1. [ a := 2 ] value. ^ a' return: 2
  230. !
  231. testLiterals
  232. self should: 'foo ^ 1' return: 1.
  233. self should: 'foo ^ ''hello''' return: 'hello'.
  234. self should: 'foo ^ #(1 2 3 4)' return: #(1 2 3 4).
  235. self should: 'foo ^ {1. [:x | x ] value: 2. 3. [4] value}' return: #(1 2 3 4).
  236. self should: 'foo ^ true' return: true.
  237. self should: 'foo ^ false' return: false.
  238. self should: 'foo ^ #{1->2. 3->4}' return: #{1->2. 3->4}.
  239. self should: 'foo ^ #hello' return: #hello.
  240. self should: 'foo ^ $h' return: 'h'.
  241. self should: 'foo ^ -123.456' return: -123.456.
  242. self should: 'foo ^ -2.5e4' return: -25000.
  243. !
  244. testLocalReturn
  245. self should: 'foo ^ 1' return: 1.
  246. self should: 'foo ^ 1 + 1' return: 2.
  247. self should: 'foo ' return: receiver.
  248. self should: 'foo self asString' return: receiver.
  249. self should: 'foo | a b | a := 1. b := 2. ^ a + b' return: 3
  250. !
  251. testMessageSends
  252. self should: 'foo ^ 1 asString' return: '1'.
  253. self should: 'foo ^ 1 + 1' return: 2.
  254. self should: 'foo ^ 1 + 2 * 3' return: 9.
  255. self should: 'foo ^ 1 to: 3' return: #(1 2 3).
  256. self should: 'foo ^ 1 to: 5 by: 2' return: #(1 3 5)
  257. !
  258. testMultipleSequences
  259. self should: 'foo | a b c | a := 2. b := 3. c := a + b. ^ c * 6' return: 30
  260. !
  261. testMutableLiterals
  262. "Mutable literals must be aliased in cascades.
  263. See https://lolg.it/amber/amber/issues/428"
  264. self
  265. should: 'foo ^ #( 1 2 ) at: 1 put: 3; yourself'
  266. return: #(3 2)
  267. !
  268. testNestedIfTrue
  269. self should: 'foo ^ true ifTrue: [ false ifFalse: [ 1 ] ]' return: 1.
  270. self should: 'foo ^ true ifTrue: [ false ifTrue: [ 1 ] ]' return: nil.
  271. self should: 'foo true ifTrue: [ false ifFalse: [ ^ 1 ] ]' return: 1.
  272. self should: 'foo true ifTrue: [ false ifTrue: [ ^ 1 ] ]' return: receiver.
  273. !
  274. testNestedSends
  275. self should: 'foo ^ (Point x: (Point x: 2 y: 3) y: 4) asString' return: (Point x: (2@3) y: 4) asString
  276. !
  277. testNonLocalReturn
  278. self should: 'foo [ ^ 1 ] value' return: 1.
  279. self should: 'foo [ ^ 1 + 1 ] value' return: 2.
  280. self should: 'foo | a b | a := 1. b := 2. [ ^ a + b ] value. self halt' return: 3.
  281. self should: 'foo [ :x | ^ x + x ] value: 4. ^ 2' return: 8
  282. !
  283. testPascalCaseGlobal
  284. self should: 'foo ^Object' return: (Smalltalk globals at: 'Object').
  285. self should: 'foo ^NonExistent' return: nil
  286. !
  287. testRootSuperSend
  288. self
  289. should: 'foo ^ super class'
  290. receiver: ProtoObject new
  291. raise: MessageNotUnderstood
  292. !
  293. testSendReceiverAndArgumentsOrdered
  294. self should: 'foo
  295. | x |
  296. x := 1.
  297. ^ Array with: x with: (true ifTrue: [ x := 2 ])
  298. ' return: #(1 2).
  299. self should: 'foo
  300. | x |
  301. x := Array.
  302. ^ x with: x with: (true ifTrue: [ x := 2 ])
  303. ' return: {Array. 2}.
  304. !
  305. testSuperSend
  306. self
  307. should: 'foo ^ super isBoolean'
  308. receiver: true
  309. return: false
  310. !
  311. testTempVariables
  312. self should: 'foo | a | ^ a' return: nil.
  313. self should: 'foo | AVariable | ^ AVariable' return: nil.
  314. self should: 'foo | a b c | ^ c' return: nil.
  315. self should: 'foo | a | [ | d | ^ d ] value' return: nil.
  316. self should: 'foo | a | a:= 1. ^ a' return: 1.
  317. self should: 'foo | AVariable | AVariable := 1. ^ AVariable' return: 1.
  318. !
  319. testThisContext
  320. self should: 'foo ^ [ thisContext ] value outerContext == thisContext' return: true
  321. !
  322. testifFalse
  323. self should: 'foo true ifFalse: [ ^ 1 ]' return: receiver.
  324. self should: 'foo false ifFalse: [ ^ 2 ]' return: 2.
  325. self should: 'foo ^ true ifFalse: [ 1 ]' return: nil.
  326. self should: 'foo ^ false ifFalse: [ 2 ]' return: 2.
  327. !
  328. testifFalseIfTrue
  329. self should: 'foo true ifFalse: [ ^ 1 ] ifTrue: [ ^ 2 ]' return: 2.
  330. self should: 'foo false ifFalse: [ ^ 2 ] ifTrue: [ ^1 ]' return: 2.
  331. self should: 'foo ^ true ifFalse: [ 1 ] ifTrue: [ 2 ]' return: 2.
  332. self should: 'foo ^ false ifFalse: [ 2 ] ifTrue: [ 1 ]' return: 2.
  333. !
  334. testifNil
  335. self should: 'foo ^ 1 ifNil: [ 2 ]' return: 1.
  336. self should: 'foo ^ nil ifNil: [ 2 ]' return: 2.
  337. self should: 'foo 1 ifNil: [ ^ 2 ]' return: receiver.
  338. self should: 'foo nil ifNil: [ ^ 2 ]' return: 2.
  339. !
  340. testifNilIfNotNil
  341. self should: 'foo ^ 1 ifNil: [ 2 ] ifNotNil: [ 3 ]' return: 3.
  342. self should: 'foo ^ nil ifNil: [ 2 ] ifNotNil: [ 3 ]' return: 2.
  343. self should: 'foo 1 ifNil: [ ^ 2 ] ifNotNil: [ ^3 ]' return: 3.
  344. self should: 'foo nil ifNil: [ ^ 2 ] ifNotNil: [ ^3 ]' return: 2.
  345. !
  346. testifNotNil
  347. self should: 'foo ^ 1 ifNotNil: [ 2 ]' return: 2.
  348. self should: 'foo ^ nil ifNotNil: [ 2 ]' return: nil.
  349. self should: 'foo 1 ifNotNil: [ ^ 2 ]' return: 2.
  350. self should: 'foo nil ifNotNil: [ ^ 2 ]' return: receiver.
  351. !
  352. testifNotNilWithArgument
  353. self should: 'foo ^ 1 ifNotNil: [ :val | val + 2 ]' return: 3.
  354. self should: 'foo ^ nil ifNotNil: [ :val | val + 2 ]' return: nil.
  355. self should: 'foo ^ 1 ifNil: [ 5 ] ifNotNil: [ :val | val + 2 ]' return: 3.
  356. self should: 'foo ^ nil ifNil: [ 5 ] ifNotNil: [ :val | val + 2 ]' return: 5.
  357. self should: 'foo ^ 1 ifNotNil: [ :val | val + 2 ] ifNil: [ 5 ]' return: 3.
  358. self should: 'foo ^ nil ifNotNil: [ :val | val + 2 ] ifNil: [ 5 ]' return: 5
  359. !
  360. testifTrue
  361. self should: 'foo false ifTrue: [ ^ 1 ]' return: receiver.
  362. self should: 'foo true ifTrue: [ ^ 2 ]' return: 2.
  363. self should: 'foo ^ false ifTrue: [ 1 ]' return: nil.
  364. self should: 'foo ^ true ifTrue: [ 2 ]' return: 2.
  365. !
  366. testifTrueIfFalse
  367. self should: 'foo false ifTrue: [ ^ 1 ] ifFalse: [ ^2 ]' return: 2.
  368. self should: 'foo true ifTrue: [ ^ 1 ] ifFalse: [ ^ 2 ]' return: 1.
  369. self should: 'foo ^ false ifTrue: [ 2 ] ifFalse: [ 1 ]' return: 1.
  370. self should: 'foo ^ true ifTrue: [ 2 ] ifFalse: [ 1 ]' return: 2.
  371. ! !
  372. CodeGeneratorTest subclass: #ASTInterpreterTest
  373. instanceVariableNames: ''
  374. package: 'Compiler-Tests'!
  375. !ASTInterpreterTest methodsFor: 'parsing'!
  376. analyze: aNode forClass: aClass
  377. (SemanticAnalyzer on: aClass) visit: aNode.
  378. ^ aNode
  379. !
  380. parse: aString
  381. ^ Smalltalk parse: aString
  382. !
  383. parse: aString forClass: aClass
  384. ^ self analyze: (self parse: aString) forClass: aClass
  385. ! !
  386. !ASTInterpreterTest methodsFor: 'private'!
  387. interpret: aString receiver: anObject withArguments: aDictionary
  388. "The food is a methodNode. Interpret the sequenceNode only"
  389. | ctx ast interpreter |
  390. interpreter := ASTInterpreter new.
  391. ast := self parse: aString forClass: anObject class.
  392. ctx := AIContext new
  393. receiver: anObject;
  394. interpreter: interpreter;
  395. yourself.
  396. "Define locals for the context"
  397. ast sequenceNode ifNotNil: [ :sequence |
  398. sequence temps do: [ :each |
  399. ctx defineLocal: each ] ].
  400. aDictionary keysAndValuesDo: [ :key :value |
  401. ctx localAt: key put: value ].
  402. ^ interpreter
  403. context: ctx;
  404. node: ast;
  405. enterNode;
  406. proceed;
  407. result
  408. ! !
  409. !ASTInterpreterTest methodsFor: 'testing'!
  410. should: aString receiver: anObject return: aResult
  411. receiver := anObject.
  412. ^ self
  413. assert: (self interpret: aString receiver: receiver withArguments: #{})
  414. equals: aResult
  415. ! !
  416. ASTInterpreterTest subclass: #ASTDebuggerTest
  417. instanceVariableNames: ''
  418. package: 'Compiler-Tests'!
  419. !ASTDebuggerTest methodsFor: 'private'!
  420. interpret: aString receiver: anObject withArguments: aDictionary
  421. | ctx ast debugger |
  422. ctx := AIContext new
  423. receiver: anObject;
  424. interpreter: ASTInterpreter new;
  425. yourself.
  426. ast := self parse: aString forClass: anObject class.
  427. "Define locals for the context"
  428. ast sequenceNode ifNotNil: [ :sequence |
  429. sequence temps do: [ :each |
  430. ctx defineLocal: each ] ].
  431. aDictionary keysAndValuesDo: [ :key :value |
  432. ctx localAt: key put: value ].
  433. ctx interpreter context: ctx.
  434. ctx interpreter node: ast; enterNode.
  435. debugger := ASTDebugger context: ctx.
  436. ^ debugger
  437. proceed;
  438. result
  439. ! !
  440. CodeGeneratorTest subclass: #InliningCodeGeneratorTest
  441. instanceVariableNames: ''
  442. package: 'Compiler-Tests'!
  443. !InliningCodeGeneratorTest methodsFor: 'accessing'!
  444. codeGeneratorClass
  445. ^ InliningCodeGenerator
  446. ! !
  447. TestCase subclass: #ScopeVarTest
  448. instanceVariableNames: ''
  449. package: 'Compiler-Tests'!
  450. !ScopeVarTest methodsFor: 'tests'!
  451. testClassRefVar
  452. | node |
  453. node := VariableNode new
  454. value: 'Object';
  455. yourself.
  456. SemanticAnalyzer new
  457. pushScope: MethodLexicalScope new;
  458. visit: node.
  459. self assert: node binding isClassRefVar
  460. !
  461. testInstanceVar
  462. | node scope |
  463. node := VariableNode new
  464. value: 'bzzz';
  465. yourself.
  466. scope := MethodLexicalScope new.
  467. scope addIVar: 'bzzz'.
  468. self assert: (scope bindingFor: node) isInstanceVar
  469. !
  470. testPseudoVar
  471. | node pseudoVars |
  472. pseudoVars := #('self' 'super' 'true' 'false' 'nil').
  473. pseudoVars do: [:each |
  474. node := VariableNode new
  475. value: each;
  476. yourself.
  477. self assert: (MethodLexicalScope new bindingFor: node) isPseudoVar]
  478. !
  479. testTempVar
  480. | node scope |
  481. node := VariableNode new
  482. value: 'bzzz';
  483. yourself.
  484. scope := MethodLexicalScope new.
  485. scope addTemp: 'bzzz'.
  486. self assert: (scope bindingFor: node) isTempVar
  487. !
  488. testUnknownVar
  489. | node |
  490. node := VariableNode new
  491. value: 'bzzz';
  492. yourself.
  493. self assert: (MethodLexicalScope new bindingFor: node) isNil
  494. ! !
  495. TestCase subclass: #SemanticAnalyzerTest
  496. instanceVariableNames: 'analyzer'
  497. package: 'Compiler-Tests'!
  498. !SemanticAnalyzerTest methodsFor: 'running'!
  499. setUp
  500. analyzer := SemanticAnalyzer on: Object
  501. ! !
  502. !SemanticAnalyzerTest methodsFor: 'tests'!
  503. testAssignment
  504. | src ast |
  505. src := 'foo self := 1'.
  506. ast := Smalltalk parse: src.
  507. self should: [analyzer visit: ast] raise: InvalidAssignmentError
  508. !
  509. testNonLocalReturn
  510. | src ast |
  511. src := 'foo | a | a + 1. ^ a'.
  512. ast := Smalltalk parse: src.
  513. analyzer visit: ast.
  514. self deny: ast scope hasNonLocalReturn
  515. !
  516. testNonLocalReturn2
  517. | src ast |
  518. src := 'foo | a | a + 1. [ [ ^ a] ]'.
  519. ast := Smalltalk parse: src.
  520. analyzer visit: ast.
  521. self assert: ast scope hasNonLocalReturn
  522. !
  523. testScope
  524. | src ast |
  525. src := 'foo | a | a + 1. [ | b | b := a ]'.
  526. ast := Smalltalk parse: src.
  527. analyzer visit: ast.
  528. self deny: ast nodes first nodes last scope == ast scope.
  529. !
  530. testScope2
  531. | src ast |
  532. src := 'foo | a | a + 1. [ [ | b | b := a ] ]'.
  533. ast := Smalltalk parse: src.
  534. analyzer visit: ast.
  535. self deny: ast nodes first nodes last nodes first nodes first scope == ast scope.
  536. !
  537. testScopeLevel
  538. | src ast |
  539. src := 'foo | a | a + 1. [ [ | b | b := a ] ]'.
  540. ast := Smalltalk parse: src.
  541. analyzer visit: ast.
  542. self assert: ast scope scopeLevel equals: 1.
  543. self assert: ast nodes first nodes last nodes first nodes first scope scopeLevel equals: 3
  544. !
  545. testUnknownVariables
  546. | src ast |
  547. src := 'foo | a | b + a'.
  548. ast := Smalltalk parse: src.
  549. self should: [ analyzer visit: ast ] raise: UnknownVariableError
  550. !
  551. testUnknownVariablesWithScope
  552. | src ast |
  553. src := 'foo | a b | [ c + 1. [ a + 1. d + 1 ]]'.
  554. ast := Smalltalk parse: src.
  555. self should: [ analyzer visit: ast ] raise: UnknownVariableError
  556. !
  557. testVariableShadowing
  558. | src ast |
  559. src := 'foo | a | a + 1'.
  560. ast := Smalltalk parse: src.
  561. analyzer visit: ast
  562. !
  563. testVariableShadowing2
  564. | src ast |
  565. src := 'foo | a | a + 1. [ | a | a := 2 ]'.
  566. ast := Smalltalk parse: src.
  567. self should: [analyzer visit: ast] raise: ShadowingVariableError
  568. !
  569. testVariableShadowing3
  570. | src ast |
  571. src := 'foo | a | a + 1. [ | b | b := 2 ]'.
  572. ast := Smalltalk parse: src.
  573. analyzer visit: ast
  574. !
  575. testVariableShadowing4
  576. | src ast |
  577. src := 'foo | a | a + 1. [ [ [ | b | b := 2 ] ] ]'.
  578. ast := Smalltalk parse: src.
  579. analyzer visit: ast
  580. !
  581. testVariableShadowing5
  582. | src ast |
  583. src := 'foo | a | a + 1. [ [ [ | a | a := 2 ] ] ]'.
  584. ast := Smalltalk parse: src.
  585. self should: [analyzer visit: ast] raise: ShadowingVariableError
  586. !
  587. testVariablesLookup
  588. | src ast |
  589. src := 'foo | a | a + 1. [ | b | b := a ]'.
  590. ast := Smalltalk parse: src.
  591. analyzer visit: ast.
  592. "Binding for `a` in the message send"
  593. self assert: ast nodes first nodes first receiver binding isTempVar.
  594. self assert: ast nodes first nodes first receiver binding scope == ast scope.
  595. "Binding for `b`"
  596. self assert: ast nodes first nodes last nodes first nodes first left binding isTempVar.
  597. self assert: ast nodes first nodes last nodes first nodes first left binding scope == ast nodes first nodes last scope.
  598. ! !
  599. SemanticAnalyzerTest subclass: #AISemanticAnalyzerTest
  600. instanceVariableNames: ''
  601. package: 'Compiler-Tests'!
  602. !AISemanticAnalyzerTest methodsFor: 'running'!
  603. setUp
  604. analyzer := (AISemanticAnalyzer on: Object)
  605. context: (AIContext new
  606. defineLocal: 'local';
  607. localAt: 'local' put: 3;
  608. yourself);
  609. yourself
  610. ! !
  611. !AISemanticAnalyzerTest methodsFor: 'tests'!
  612. testContextVariables
  613. | src ast |
  614. src := 'foo | a | local + a'.
  615. ast := Smalltalk parse: src.
  616. self shouldnt: [ analyzer visit: ast ] raise: UnknownVariableError
  617. ! !